I never wanted to play the CELLO.
The Big Bang Theory Season 6, Episode 18
Are you cool
playing the CELLO?
The Big Bang Theory Season 7, Episode 6
You mean my CELLO.
The Big Bang Theory Season 1, Episode 5
...building computers
or practicing your CELLO...
The Big Bang Theory Season 8, Episode 22
Little snarky there,
Cello Lessons.
The Big Bang Theory Season 5, Episode 12